6848521 has 2 divisors, whose sum is σ = 6848522. Its totient is φ = 6848520.

The previous prime is 6848509. The next prime is 6848537. The reversal of 6848521 is 1258486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 1960000 = 2211^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 6848521 - 2¹¹ = 6846473 is a prime.

6848521 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6848581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424260 + 3424261.

It is an arithmetic number, because the mean of its divisors is an integer number (3424261).

Almost surely, 2^6848521 is an apocalyptic number.

It is an amenable number.

6848521 is a deficient number, since it is larger than the sum of its proper divisors (1).

6848521 is an equidigital number, since it uses as much as digits as its factorization.

6848521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 34.

The square root of 6848521 is about 2616.9679019812. The cubic root of 6848521 is about 189.9031916801.

The spelling of 6848521 in words is "six million, eight hundred forty-eight thousand, five hundred twenty-one".